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SAE-AISI S7 Steel vs. C15900 Copper

SAE-AISI S7 steel belongs to the iron alloys classification, while C15900 copper belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S7 steel and the bottom bar is C15900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
43
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
720

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1030
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 40
280
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
48
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
49

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 2.3
2.8
Embodied Energy, MJ/kg 31
45
Embodied Water, L/kg 65
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 24 to 72
23
Strength to Weight: Bending, points 22 to 46
20
Thermal Diffusivity, mm2/s 11
80
Thermal Shock Resistance, points 22 to 66
26

Alloy Composition

Aluminum (Al), % 0
0.76 to 0.84
Carbon (C), % 0.45 to 0.55
0.27 to 0.33
Chromium (Cr), % 3.0 to 3.5
0
Copper (Cu), % 0 to 0.25
97.5 to 97.9
Iron (Fe), % 91.6 to 94.9
0 to 0.040
Manganese (Mn), % 0.2 to 0.9
0
Molybdenum (Mo), % 1.3 to 1.8
0
Oxygen (O), % 0
0.4 to 0.54
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0.66 to 0.74
Vanadium (V), % 0 to 0.3
0